EDAC, altera: SoCFPGA EDAC should not look for ECC_CORR_EN

EDAC, altera: SoCFPGA EDAC should not look for ECC_CORR_EN

The bootloader may or may not enable the ECC_CORR_EN bit. By
not enabling ECC_CORR_EN, when error happens, it is the user's
responsibility to perform a full SDRAM scrub.

Remove the check for ECC_CORR_EN.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Thor Thayer <tthayer@opensource.altera.com>
Link: http://lkml.kernel.org/r/1444864456-21778-1-git-send-email-dinguyen@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>